Whatisthemandoing?Heissleeping.Whataretheydoing?Theyaresinging.ThePresentContinuousTense（现在进行时态）定义：现在进行时态表示现在正在进行或发生的某种事情或动作。构成：主语+be(am,is,are)+动词-ing标志：当句中出现Look/Listen/now或上下文提示时，用现在进行时。请仔细观察下面几个句子，
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出动词变为现在分词的规则。1.I'mdoingmyhomeworknow.2.Listen!Heisplayingthepiano.3.Theyaredancingintheroom.4.Iamwritingsomewords.5.Heisrunning.6.Sheisswimming.动词现在分词的变化规律1.一般情况下，在动词原形后直接加-ing。如：work-working，do-doing，play-playing2.以不发音的字母e结尾的动词，去掉e，再加-ing。如：dance-dancing，come-coming注：词尾是字母组合ee，就不能去掉e，而应直接加-ing。如：see-seeing3.重读闭音节单词，如果末尾只有一个辅音字母，则双写辅音字母，再加-ing。如：get-getting，shop-shopping，run-running，swim-swimmingExercise：请写出下列动词的现在分词。helpcomeswimeatgivetakesitplay一般疑问句及其答语：—Am/Is/Are+主语+动词-ing+其他.—Yes,主语+be动词./No,主语+be动词+not.特殊疑问句：What+be动词+主语+动词-ing+其他?Whatisthegirldoing?Sheisreading.Whataretheydoing?Theyareswimming.—Aretheyswimming?—Yes,theyare.用所给动词的适当形式填空。1.I__________basketballwithmyfriendnow.(play)2.She__________toschoolnow.(go)3.Listen!Thebird__________onthetree.(sing)4.Look!He___________ontheplayground.(run)5.Thedogs___________inthisriver.(swim)6.____yourfather________TVnow?(watch)amplayingisgoingissingingisrunningamswimmingIswatching
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